expression.ShowAnimation
expression Required. An expression that returns a View object.
Example
This example turns on text animation in the active window and then applies sparkle-text animation to the selection.
ActiveDocument.ActiveWindow.View.ShowAnimation = True
Selection.Font.Animation = wdAnimationSparkleText
This example turns off font animation in all open windows.
For Each aWindow In Windows
aWindow.View.ShowAnimation = False
Next aWindow